Finding the Fourth Proportional to 141,183.42, 194,850.68 and 80,745.68
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Solution
The fourth proportional to 141,183.42, 194,850.68 and 80,745.68 is: 111,439.07
Step by Step Solution
- Step 1: Write the proportion equation
141,183.42 : 194,850.68 = 80,745.68 : x - Step 2: Convert to fraction form
141,183.42/194,850.68 = 80,745.68/x - Step 3: Cross multiply
141,183.42x = 194,850.68 × 80,745.68 - Step 4: Simplify right side
141,183.42x = 15,733,349,277.08 - Step 5: Solve for x
x = 15,733,349,277.08/141,183.42 - Step 6: Final answer
x = 111,439.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.